Home / 272,971.16-376,701.70-158,317.76

Finding the Fourth Proportional to 272,971.16, 376,701.70 and 158,317.76

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Solution

The fourth proportional to 272,971.16, 376,701.70 and 158,317.76 is: 218,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,971.16 : 376,701.70 = 158,317.76 : x
  2. Step 2: Convert to fraction form
    272,971.16/376,701.70 = 158,317.76/x
  3. Step 3: Cross multiply
    272,971.16x = 376,701.70 × 158,317.76
  4. Step 4: Simplify right side
    272,971.16x = 59,638,569,332.19
  5. Step 5: Solve for x
    x = 59,638,569,332.19/272,971.16
  6. Step 6: Final answer
    x = 218,479.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.